数字式比例多路阀控制系统设计

 黄柳儒1,任德均1,陈崑1,范瑞琪1,陈儒侠1,马张懿2

(1.四川大学 制造科学与工程学院,四川 成都 610065;2.泸州众大科技液压件有限公司,四川 泸州 646003)
摘要:数字式比例多路阀在抗污染能力、响应速度、远程控制等多个方面比传统电液比例多路阀更有优势。设计了一套基于高速电磁阀为导阀的数字式比例多路阀控制系统。首先对控先导制原理进行简单介绍,并建立控制系统数学模型,选用了抗积分饱和PID算法修正偏差信号,接着将建立的数学模型进行了MATLAB仿真分析。仿真结果确定了控制系统的快速响应性和稳定性。最后将设计的控制系统运用在多路阀数字控制之上,通过实验进一步验证了该多路阀控制系统具有稳定性好、响应速度快的优点。
关键词:高速电磁阀;多路阀;数学模型;PWM;PID
中图分类号:TH137.52 文献标志码:A doi:10.3969/j.issn.1006-0316.2017.09.013
文章编号:1006-0316 (2017) 09-0051-04
Design of Control System for Digital Proportional Multi-Way Valve
HUANG Liuru1,REN Dejun1,CHEN Kun1,FAN Ruiqi1,CHEN Ruxia1,MA Zhangyi2
( 1.School of Manufacturing Science and Engineering, Sichuan University, Chengdu 610065, China;
2.Luzhou Zhongda Hydraulic Parts Technology Co., Ltd., Luzhou 646003 , China )
Abstract:Digital proportional multi way valve has more advantages than the traditional electro-hydraulic proportional multi way valve in the contamination resistant capability, response speed, remote control and other aspects. This paper designed a digital proportional multi-way valve control system based on high-speed solenoid valve as pilot valve. Firstly, the control principle was introduced briefly, then hydraulic pilot control system mathematical model was created, and this paper selectsanti-integral saturation PID algorithm to correct the deviation signal, using MATLAB to simulate the mathematical model. The simulation results determine the fast response and stability of the control system. Finally, the control system was used in multi-valve to do the hydraulic test, the facts have proved that digital control system has good stability, fast response advantages.
Key words:high-speedsolenoid valve;multi-way valve;mathematical model;PWM;PID
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收稿日期:2017-02-13 
作者简介:黄柳儒(1991-),男,四川仁寿人,硕士研究生,主要研究方向为嵌入式控制系统;任德均(1971-),男,四川成都人,博士,副教授,主要研究方向为嵌入式系统、机电一体化、机器视觉;陈崑(1968-),男,四川成都人,博士,讲师,主要研究方向为流体控制;范瑞琪(1991-),男,湖北荆州人,硕士研究生,主要研究生方向嵌入式视觉系统;陈儒侠(1993-),男,四川南充人,硕士研究生,主要研究方向为嵌入式控制系统;马张懿(1988-),男,四川隆昌人,本科,助理工程师,主要研究方向机械设计。
 

 

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